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RFC 1700 - dns-parameters

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    DOMAIN NAME SYSTEM PARAMETERS

    The Internet Domain Naming System (DOMAIN) includes several
    parameters.  These are documented in [RFC1034] and [RFC1035].  The
    CLASS parameter is listed here.  The per CLASS parameters are defined
    in separate RFCs as indicated.

    Domain System Class:

    Decimal   Name                                          References
    --------  ----                                          ----------
           0  Reserved                                          [IANA]
           1  Internet (IN)                      [RFC1034,Mockapetris]
           2  Unassigned                                        [IANA]
           3  Chaos (CH)                                 [Mockapetris]
           4  Hesiod (HS)                                [Mockapetris]
     5-65534  Unassigned                                        [IANA]
       65535  Reserved                                          [IANA]

    In the Internet (IN) class the following TYPEs and QTYPEs are defined:

    TYPE            value and meaning

    A               1 a host address 			 [RFC1035]
    NS              2 an authoritative name server		 [RFC1035]
    MD              3 a mail destination (Obsolete - use MX) [RFC1035]
    MF              4 a mail forwarder (Obsolete - use MX)	 [RFC1035]
    CNAME           5 the canonical name for an alias	 [RFC1035]
    SOA             6 marks the start of a zone of authority [RFC1035]
    MB              7 a mailbox domain name (EXPERIMENTAL)	 [RFC1035]
    MG              8 a mail group member (EXPERIMENTAL)	 [RFC1035]
    MR              9 a mail rename domain name (EXPERIMENTAL)[RFC1035]
    NULL            10 a null RR (EXPERIMENTAL)		 [RFC1035]
    WKS             11 a well known service description	 [RFC1035]
    PTR             12 a domain name pointer		 [RFC1035]
    HINFO           13 host information			 [RFC1035]
    MINFO           14 mailbox or mail list information	 [RFC1035]
    MX              15 mail exchange			 [RFC1035]
    TXT             16 text strings				 [RFC1035]

    RP              17 for Responsible Person		 [RFC1183]
    AFSDB           18 for AFS Data Base location	 	 [RFC1183]
    X25             19 for X.25 PSDN address		 [RFC1183]
    ISDN		20 for ISDN address			 [RFC1183]
    RT              21 for Route Through			 [RFC1183]

    NSAP		22 for NSAP address, NSAP style A record [RFC1706]
    NSAP-PTR        23

    SIG             24 for security signature               [Eastlake]
    KEY             25 for security key                     [Eastlake]

    PX              26 X.400 mail mapping information        [RFC1664]

    GPOS            27 Geographical Position                 [RFC1712]

    AAAA            28 IP6 Address                           [Thomson]

    LOC             29 Location Information                    [Vixie]

    NXT             30 Next Domain                          [Eastlake]

    EID             31 Endpoint Identifier                    [Patton]
    NIMLOC          32 Nimrod Locator                         [Patton]

    IXFR            251 incremental transfer                    [Ohta]
    AXFR            252 transfer of an entire zone		 [RFC1035]
    MAILB           253 mailbox-related RRs (MB, MG or MR)	 [RFC1035]
    MAILA           254 mail agent RRs (Obsolete - see MX)	 [RFC1035]
    *               255 A request for all records		 [RFC1035]

    Domain System Operation Code:

    OpCode   Name                                          References
    ------   ----                                          ----------
         0   Query                                          [RFC1035]
         1   IQuery                                         [RFC1035]
         2   Status                                         [RFC1035]
         3   reserved                                          [IANA]
         4   Notify                                           [Vixie]
         5   Update                                         [Thomson]

    REFERENCES

    [RFC1034] Mockapetris, P., "Domain Names - Concepts and
              Facilities", STD 13, RFC 1034, USC/Information Sciences
              Institute, November 1987.

    [RFC1035] Mockapetris, P., "Domain Names - Implementation and
              Specification", STD 13, RFC 1035, USC/Information Sciences
              Institute, November 1987.

    [RFC1183] Everhart, C., Mamakos, L., Ullmann, R., and P. Mockapetris,
              Editors, "New DNS RR Definitions", RFC 1183, Transarc,
              University of Maryland, Prime Computer, USC/Information
              Sciences Institute, October 1990.

    [RFC1664] Allocchio, C., Bonito, A., Cole, B., Giordano, S., and R.
              Hagens, "Using the Internet DNS to Distribute RFC1327 Mail
              Address Mapping Tables", GARR-Italy, Cisco Systems Inc.,
              Centro Svizzero Calcolo Scientifico, Advanced Network &
              Services, August 1994.

    [RFC1706] Manning, B., and R. Colella, "DNS NSAP Resource Records",
              RFC 1706, USC/ISI and NIST, October 1994.

    [RFC1712] Farrell, C., M. Schulze, B. Pleitner, and D. Baldoni, "DNS
              Encoding of Geographical Location", RFC 1712, Curtin
              University of Technology, October 1994.

    PEOPLE

    [Eastlake] Donald E. Eastlake, III , January 1995.

    [IANA] Internet Assigned Number Authority, , December 1994.

    [Mockapetris] Paul Mockapetris, , November 1994.

    [Otha] Masataka Ohta, , March 1995.

    [Patton] Michael Patton, , June 1995.

    [Thomson] Susan Thomson, , August 1995.

    [Vixie] Paul Vixie, , November 1994.

    []

Connected: An Internet Encyclopedia
RFC 1700 - dns-parameters